How deep of a mattress does the Quilted Green Tea Memory Foam Mattress Rejuvenator or mattress pad fit? Updated June 12, 2019 16:44 Zinus mattress rejuvenators and mattress pads are meant to fit mattresses up to 12" deep. Related articles Why is the mattress topper slightly smaller than my mattress? How long does a mattress topper take to fully decompress? What are Zinus memory foam mattresses made of? Is the Quilted Green Tea Memory Foam Mattress Rejuvenator and pad waterproof? How do I clean a mattress topper/pad?